The AC8257 is a chipset developed by Intel, designed to provide a range of functionalities, including USB, SATA, and PCIe interfaces. Firmware is software that is embedded in the chipset, controlling its operations and interactions with other system components. In essence, firmware acts as a bridge between the hardware and software, enabling the device to perform its intended functions.

: Go to Car Settings > System Info or use an app like AIDA64 to find the Kernel version and Build number .